Home / 13,586,685.46-18,749,707.46-7,391,776.61

Finding the Fourth Proportional to 13,586,685.46, 18,749,707.46 and 7,391,776.61

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Solution

The fourth proportional to 13,586,685.46, 18,749,707.46 and 7,391,776.61 is: 10,200,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,685.46 : 18,749,707.46 = 7,391,776.61 : x
  2. Step 2: Convert to fraction form
    13,586,685.46/18,749,707.46 = 7,391,776.61/x
  3. Step 3: Cross multiply
    13,586,685.46x = 18,749,707.46 × 7,391,776.61
  4. Step 4: Simplify right side
    13,586,685.46x = 138,593,648,971,901.41
  5. Step 5: Solve for x
    x = 138,593,648,971,901.41/13,586,685.46
  6. Step 6: Final answer
    x = 10,200,696.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.